For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningFuel Gauge
When the ignition is on, the fuel gauge indicates about how much fuel is left
in the tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door is
on.
A FUEL LEVEL LOW message may appear in the Driver Information Center (DIC) and
a single chime sounds.
Here are four ...
Steering Column in Lock Position Caution
Caution: With wheels of the vehicle facing straight ahead, secure
the steering wheel utilizing steering column anti-rotation pin, steering
column lock, or a strap to prevent rotation. Locking of the steering column will
prevent damage and a possible malfunction of the SIR
system. The steering ...
Rear Compartment Lid Emblem/Nameplate Replacement (VCDi)
Rear Compartment Lid Emblem Assembly
Caution: Refer to Exterior Trim Emblem Removal Caution in the
Preface section.
Procedure
The part and surface should be 21°C (70°F) prior to installation. The
vehicle should remain 21°C (70°F) for
one hour after assembly to allow adhesive to deve ...